The PEDIGREE of
Class Cephalopoda (Squid, Nautilus, etc.)

 "Child(ren)":       Subclass Coleoidea (squid : octopus : cuttlefish)   ;   Nautiloidea (nautilus)   ;   Ammonoidea (extinct ammonites)
________________________________________________________________________________________________________ 
/-- Superempire Unikonta   +====> [ 56]
/   / OR: Kingdom Opisthokonta   +====> [ 56]
/-- Empire of Opisthokonts (Fungi & Animals)
/   / OR: Opisthokonts [Cavalier-Smith model]   +====> [ 67]
/-- Superkingdom Holozoa
/-- Kingdom of Apoikozoa (Animals)
/-- Subkingdom of Metazoa (Multicellular Animals)
/-- Superbranch Eumetazoa
/-- Superphylum Planulozoa
/-- Clade of Bilateria and Placozoa
/   / (skip this generation?)
/-- Branch Bilateria
/-- Infrakingdom (Grade) of Coelomates  (570 M BC)
/   / (skip this generation?)
/-- Subgrade of Protostomia
/   / or: Clade Nephrozoa
/-- Superphylum Lophotrochozoa (various phyla of worms)
/-- Supraphylum Trochozoa
/-- Phylum Mollusca
/-- Superclass Conchifera
/  
- Class Cephalopoda (Squid, Nautilus, etc.)
 

 
  ``3-Great Grandchildren:''       Superfamily Octopodoidea   ;   Family Cranchiidae (Glass squids)   ;   Family Loliginidae (Pencil Squids)
 
  ``8-Great Grandchild:''       Common octopus
 

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